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Category: Concrete masonry units (CMU)

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Problem Solving Forum (14)

All content matching this tag

Can lightweight block (CMU) be successfully coated to prevent water intrusion, or is it best to build with standard weight?

Question posted November 10 to November 14, 2014


How can you determine the moisture content of a concrete block (CMU) wall, and how can you judge when the moisture level is low enough to paint?

Question posted October 27 to October 31, 2014


What kind of initial treatment is the best defense against graffiti for rough-surfaced concrete block (CMU)?

Question posted September 15 to September 19, 2014


Considering cost, productivity, and thoroughness, what is the best way to remove paint from cement blocks (CMUs)?

Question posted September 1 to September 5, 2014


What kind of initial treatment is the best defense against graffiti for rough-surfaced concrete block (CMU)?

Question posted June 9 to June 13, 2014


What is the best method of testing for moisture content in concrete masonry unit (CMU) walls before application of coatings?

Question posted March 24 to March 28, 2014


What’s the best way to protect a masonry wall from freeze/thaw cycling?

Question posted January 13 to January 17, 2014


What’s the best way to protect porous masonry from graffiti?

Question posted January 2 to January 12, 2014


How can it be determined if moisture within a CMU wall is causing repeated coating failure? If so, can the source of moisture entry be accurately identified for correction?

Question posted December 24 to January 6, 2013


RH probes are commonly used in concrete floors to determine moisture content. Can they be used in CMU walls or pre-cast walls?

Question posted December 17 to December 23, 2012


If the walls of single-wythe CMU with core fill insulation become saturated, can they be adequately dried out for painting? If so, how?

Question posted December 10 to December 16, 2012


Can efflorescence be removed from integrally colored CMU without damaging the appearance? How?

Question posted November 5 to November 11, 2012


Can light-weight block (CMU) be successfully coated to prevent water intrusion, or is it best to build with standard weight?

Question posted April 11 to April 17, 2011


How can you determine the moisture content of a concrete block (CMU) wall, and how can you judge when the moisture level is sufficiently low to paint?

Question posted March 21 to March 27, 2011


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